Features: Make: Dahua Technology Model code: HY-SA21A-W2(868) Indoor/Outdoor: Indoor Wall/Ceiling Mount: Ceiling Mount Dimensions mm: φ98 x 43.1 Additional info: Split-spectrum sensor technology Test and silence features in one single button Loud sound output over 85 dB(A) at 3 meters Low quiescent current consumption Surface-mount device (SMD) circuit board design Low battery
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Model code
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HY-SA21A-W2(868)
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Indoor/Outdoor
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Indoor
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Wall/Ceiling
Mount
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Ceiling Mount
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Physical
Specifications
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Dimensions mm:
φ98 x 43.1
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Environmental
Specifications
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Operating
Temp oC: -10 ~ +55 C
(14 ~ 131 F)
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Additional
info
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- Split-spectrum sensor technology
- Test and silence features in one single button
- Loud sound output over 85 dB(A) at 3 meters
- Low quiescent current consumption
- Surface-mount device (SMD) circuit board design
- Low battery warning signal
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